Ostin Technology Group Co., Ltd. (OST) SEC Filings & Financial Intelligence
Ostin Technology Group Co., Ltd. (OST) is a publicly traded company on the Nasdaq, categorized under SIC 3679 (Electronic Components, NEC). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: OST
CIK: 1803407
Exchange: Nasdaq
SIC 3679: Electronic Components, NEC
Fiscal Year End: 09/30
State: E9
Independent PCAOB Auditor
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Audit Firm
AUDIT ALLIANCE LLP
Auditor SinceSince 9/30/2024 12:00:00 AM
Lead Engagement PartnerBOON POH NEW
Audit LocationSingapore, Singapore
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 6-K | 2026-06-18 | 2026-03-31 | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-26-069877 | View SEC Doc Filr Page |
| 3 | 2026-04-02 | 2026-03-18 | 3 Filing | 0001213900-26-038880 | View SEC Doc Filr Page |
| 3 | 2026-04-02 | 2026-03-18 | 3 Filing | 0001213900-26-038844 | View SEC Doc Filr Page |
| 3 | 2026-04-02 | 2026-03-18 | 3 Filing | 0001213900-26-038823 | View SEC Doc Filr Page |
| 6-K | 2026-04-01 | 2026-04-01 | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-26-038058 | View SEC Doc Filr Page |
| 20-F | 2026-01-26 | 2025-09-30 | ANNUAL REPORT | 0001213900-26-007702 | View SEC Doc Filr Page |
| 6-K | 2026-01-08 | 2026-01-08 | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-26-002527 | View SEC Doc Filr Page |
| 6-K | 2025-11-13 | 2025-11-13 | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-25-109958 | View SEC Doc Filr Page |
| 6-K | 2025-10-21 | 2025-10-21 | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-25-100708 | View SEC Doc Filr Page |
| 6-K | 2025-09-26 | 2025-09-26 | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-25-092424 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2025-08-14 | — | SCHEDULE 13G/A Filing | 0001851416-25-000018 | View SEC Doc Filr Page |
| 6-K | 2025-08-06 | 2025-08-06 | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-25-072546 | View SEC Doc Filr Page |
| 6-K | 2025-07-18 | 2025-07-18 | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-25-065649 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2025-07-15 | — | SCHEDULE 13G/A Filing | 0001213900-25-064240 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2025-07-15 | — | SCHEDULE 13G/A Filing | 0001213900-25-064238 | View SEC Doc Filr Page |
| 6-K/A | 2025-07-10 | 2025-07-10 | AMENDMENT NO. 1 TO FORM 6-K | 0001213900-25-062536 | View SEC Doc Filr Page |
| 6-K | 2025-07-03 | 2025-07-03 | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-25-061386 | View SEC Doc Filr Page |
| 6-K | 2025-07-01 | 2025-06-30 | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-25-060348 | View SEC Doc Filr Page |
| 424B5 | 2025-06-30 | — | PROSPECTUS SUPPLEMENT | 0001213900-25-059624 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2025-06-30 | — | SCHEDULE 13G Filing | 0001851416-25-000015 | View SEC Doc Filr Page |
| 6-K | 2025-06-30 | 2025-03-31 | REPORT OF FOREIGN PRIVATE ISSUER | 0001213900-25-059284 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2025-06-25 | — | SCHEDULE 13G/A Filing | 0001213900-25-057778 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2025-06-25 | — | SCHEDULE 13G/A Filing | 0001213900-25-057777 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2025-06-13 | — | SCHEDULE 13G/A Filing | 0001213900-25-054274 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2025-06-13 | — | SCHEDULE 13G/A Filing | 0001213900-25-054273 | View SEC Doc Filr Page |